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ARS Home » Northeast Area » Beltsville, Maryland (BARC) » Beltsville Agricultural Research Center » Animal Parasitic Diseases Laboratory » People & Locations » Carolyn Parker
Carolyn C Parker
Animal Parasitic Diseases Laboratory
Support Scientist

Phone: (301) 504-5597
Fax: (301) 504-5306

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Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Histomonas meleagridis infections in turkeys in the USA: A century of progress, resurgence, and tribute to its early investigators Theobald Smith, Ernst Tyzzer, and Everett Lund Reprint Icon - (Peer Reviewed Journal)
Dubey, J.P., Parker, C.C., D. Graham, D., Hargis, B., Jenkins, M.C. 2024. Histomonas meleagridis infections in turkeys in the USA: A century of progress, resurgence, and tribute to its early investigators Theobald Smith, Ernst Tyzzer, and Everett Lund. Journal of Parasitology. 110(4):263-275. https://doi.org/10.1645/24-8.
A Study of Cross-Protection between Eimeria maxima Immunovariants Reprint Icon - (Peer Reviewed Journal)
Jenkins, M.C., Obrien, C.N., Parker, C.C., Tucker, M.S. 2024. A Study of Cross-Protection between Eimeria maxima Immunovariants. Pathogens. 13(1). Article e13010066. https://doi.org/10.3390/pathogens13010066.
Chromosomal scale assembly reveals localized structural variants in avian caecal coccidian parasite Eimeria tenella Reprint Icon - (Peer Reviewed Journal)
Srivastava, S.K., Parker, C.C., Obrien, C.N., Tucker, M.S., Thompson, P.C., Rosenthal, B.M., Dubey, J.P., Khan, A., Jenkins, M.C. 2023. Chromosomal scale assembly reveals localized structural variants in avian caecal coccidian parasite Eimeria tenella. Scientific Reports. 13. Article e22802. https://doi.org/10.1038/s41598-023-50117-0.
Effects of codon optimization on expression in Escherichia coli of protein-coding DNA sequences from the protozoan Eimeria Reprint Icon - (Peer Reviewed Journal)
Jenkins, M.C., Parker, C.C., Obrien, C.N., Campos, P., Tucker, M.S., Miska, K.B. 2023. Effects of codon optimization on expression in Escherichia coli of protein-coding DNA sequences from the protozoan Eimeria. Journal of Microbiological Methods. 211. Article 106750. https://doi.org/10.1016/j.mimet.2023.106750.
Administering Eimeria maxima oocysts through drinking water improves coccidiosis vaccine uptake in broiler chickens Reprint Icon - (Peer Reviewed Journal)
Jenkins, M.C., Cline, J., Parker, C.C., Obrien, C.N., Burleson, M., Schaefer, J. 2022. Administering Eimeria maxima oocysts through drinking water improves coccidiosis vaccine uptake in broiler chickens. Journal of Applied Poultry Research. 32(1).Article e100312. https://doi.org/10.1016/j.japr.2022.100312.
Cloning and expression of a cDNA coding for Eimeria acervulina 25 kDa protein associated with oocyst and sporocyst walls Reprint Icon - (Peer Reviewed Journal)
Jenkins, M.C., Tucker, M., Parker, C.C., Obrien, C.N., Miska, K.B. 2022. Cloning and expression of a cDNA coding for Eimeria acervulina 25 kDa protein associated with oocyst and sporocyst walls. Veterinary Parasitology. 309.Article 109762. https://doi.org/10.1016/j.vetpar.2022.109762.
Polymerase chain reaction directed to Eimeria ITS1 rDNA or single copy orthologues corroborates standard micro-oocyst analysis of intestinal tissue from E. acervulina, E. maxima, or E. tenella-infected chickens Reprint Icon - (Peer Reviewed Journal)
Jenkins, M.C., Obrien, C.N., Parker, C.C., Thompson, P.C., Fitzcoy, S., Bautista, D. 2022. Polymerase chain reaction directed to Eimeria ITS1 rDNA or single copy orthologues corroborates standard micro-oocyst analysis of intestinal tissue from E. acervulina, E. maxima, or E. tenella-infected chickens. Avian Diseases. 66(2). https://doi.org/10.1637/aviandiseases-D-22-00001.
Metagenomic analysis of 16S Clostridium perfringens amplicons corroborates C. perfringens counts on select agar and C. perfringens PCR analyses of bacteria in broiler farm litter Reprint Icon - (Peer Reviewed Journal)
Jenkins, M.C., Parker, C.C., Obrien, C.N., Camp, M.J., Vinyard, B.T., Heeder, C., Proszkowiec-Wegla, M.K. 2021. Metagenomic analysis of 16S Clostridium perfringens amplicons corroborates C. perfringens counts on select agar and C. perfringens PCR analyses of bacteria in broiler farm litter. Avian Diseases. 65:554-558. https://doi.org/10.1637/aviandiseases-D-21-00054.
Correlation between Clostridium perfringens alpha- and netB-toxin and chick mortality in commercial broiler farms during different anticoccidial control programs Reprint Icon - (Peer Reviewed Journal)
Jenkins, M.C., Parker, C.C., Obrien, C.N., Ritter, D. 2020. Correlation between Clostridium perfringens alpha- and netB-toxin and chick mortality in commercial broiler farms during different anticoccidial control programs. Avian Diseases. 64(3):401-406. https://doi.org/10.1637/aviandiseases-D-19-00118.
Viable Eimeria oocysts in poultry house litter at time of chick placement Reprint Icon - (Peer Reviewed Journal)
Jenkins, M.C., Parker, C.C., Obrien, C.N., Ritter, D. 2019. Viable Eimeria oocysts in poultry house litter at time of chick placement. Poultry Science. https://doi.org/10.3382/ps/pez147.
An optimized procedure for detecting enterocytozoon intestinalis and encephalitozoon bieneusi using polymerase chain reaction technology Reprint Icon - (Peer Reviewed Journal)
Jenkins, M.C., O'Brien, C.N., Parker, C.C. 2018. An optimized procedure for detecting enterocytozoon intestinalis and encephalitozoon bieneusi using polymerase chain reaction technology. Journal of Parasitic Diseases. 43(1):75-82. https://doi.org/10.1007/s12639-018-1060-5
Incorporation of a recombinant Eimeria maxima IMP1 antigen into nanoparticles confers protective immunity against E. maxima challenge infection - (Peer Reviewed Journal)
Jenkins, M.C., Stevens, L., Obrien, C.N., Parker, C.C., Miska, K.B., Konjufca, V. 2018. Incorporation of a recombinant Eimeria maxima IMP1 antigen into nanoparticles confers protective immunity against E. maxima challenge infection. Vaccine. 36(8):1126-1131.
Eimeria oocyst concentrations and species composition in litter from commercial broiler farms during anticoccidial drug or live Eimeria oocyst vaccine control programs - (Peer Reviewed Journal)
Jenkins, M.C., Parker, C.C., Ritter, D. 2017. Eimeria oocyst concentrations and species composition in litter from commercial broiler farms during anticoccidial drug or live Eimeria oocyst vaccine control programs. Avian Diseases. 61:214-220.
Different susceptibilities of Eimeria acervulina, Eimeria maxima, and Eimeria tenella oocysts to dessication - (Peer Reviewed Journal)
Jenkins, M.C., Parker, C.C., Obrien, C.N., Miska, K.B., Fetterer, R.H. 2013. Different susceptibilities of Eimeria acervulina, Eimeria maxima, and Eimeria tenella oocysts to dessication. Journal of Parasitology. 99(5):899-902.
Increased efficacy of Eimeria oocysts delivery by gel beads or spray vaccination - (Peer Reviewed Journal)
Jenkins, M.C., Parker, C.C., Obrien, C.N., Persyn, J., Barlow, D., Miska, K.B., Fetterer, R.H. 2013. Increased efficacy of Eimeria oocysts delivery by gel beads or spray vaccination. Avian Diseases. 57(3):622-626.
Gel-Bead Delivery of Eimeria Oocysts Protects Chickens Against Coccidiosis - (Peer Reviewed Journal)
Jenkins, M.C., Parker, C.C., Klopp, S., Obrien, C.N., Miska, K.B., Fetterer, R.H. 2012. Gel-Bead Delivery of Eimeria Oocysts Protects Chickens Against Coccidiosis. Avian Diseases. 56(2):306-309.
NEOSPORA CANINUM DETECTED IN WILD RODENTS - (Peer Reviewed Journal)
Jenkins, M.C., Parker, C.C., Hill, D.E., Pinckney, R.D., Dubey, J.P. 2007. Neospora caninum detected in wild rodents. Veterinary Parasitology. 143:161-165.
INCLUSION OF CPG ADJUVANT WITH PLASMID DNA CODING FOR NCGRA7 IMPROVES PROTECTION AGAINST CONGENITAL NEOSPOROSIS - (Peer Reviewed Journal)
Jenkins, M.C., Parker, C.C., Tuo, W., Vinyard, B., Dubey, J.P. 2004. Inclusion of cpg adjuvant with plasmid dna coding for ncgra7 improves protection against congenital neosporosis. Infection and Immunity. 72:1817-1819.
IMMUNIZATION OF MICE WITH PLASMID DNA CODING FOR NCGRA7 OR NCSHSP33 CONFERS PARTIAL PROTECTION AGAINST VERTICAL TRANSMISSION OF NEOSPORA CANINUM - (Peer Reviewed Journal)
Liddell, S., Parker, C.C., Vinyard, B.T., Jenkins, M.C., Dubey, J.P. 2003. Immunization of mice with plasmid dna coding for ncgra7 or ncshsp33 confers partial protection against vertical transmission of neospora caninum. Journal of Parasitology. 89:496-500.
NEOSPORA VACCINATION IN AN OVINE MODEL FOR PREVENTION OF CONGENITAL TRANSMISSION - (Peer Reviewed Journal)
O'Handley, R.M., Morgan, S.A., Parker, C.C., Jenkins, M.C., Dubey, J.P. 2003. Neospora vaccination in an ovine model for prevention of congenital transmission. American Journal of Veterinary Research 64:449-452.
EXPERIMENTAL INFECTION OF SHEEP WITH NEOSPORA CANINUM OOCYSTS - (Peer Reviewed Journal)
O'HANDLEY, R., LIDDELL, S., PARKER, C.C., JENKINS, M.C., DUBEY, J.P. EXPERIMENTAL INFECTION OF SHEEP WITH NEOSPORA CANINUM OOCYSTS. JOURNAL OF PARASITOLOGY. 88: 1120-1123. 2002.
PREVENTION OF VERTICAL TRANSMISSION OF NEOSPORA CANINUM IN BALB/C MICE BY VACCINATION - (Peer Reviewed Journal)